---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9708 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 650 10326 4 5012 14996 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:30:91:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84830sec preferred_lft 84830sec inet6 fe80::f816:3eff:fe30:9122/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:ab:16:13:ec:b4 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-9708) 12/05/25 _x86_64_ (4 CPU) 15:19:46 LINUX RESTART (4 CPU) 15:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:06 54.07 11.30 41.45 1.32 2033.03 8623.39 7878.28 15:40:06 3.14 0.04 3.01 0.08 3.15 346.94 20.21 Average: 28.72 5.70 22.32 0.70 1022.74 4504.14 3967.27 15:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:06 10184804 13376200 2586084 15.79 112848 3246440 2819004 16.18 665100 5186068 28216 15:40:06 9630880 12898176 3063488 18.71 116060 3312616 3234388 18.57 687180 5714156 10756 Average: 9907842 13137188 2824786 17.25 114454 3279528 3026696 17.37 676140 5450112 19486 15:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:06 lo 0.66 0.66 0.08 0.08 0.00 0.00 0.00 0.00 15:30:06 ens3 109.70 78.51 1080.29 14.65 0.00 0.00 0.00 0.00 15:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:06 lo 0.51 0.51 0.37 0.37 0.00 0.00 0.00 0.00 15:40:06 ens3 3.43 2.70 1.89 0.76 0.00 0.00 0.00 0.00 15:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.58 0.58 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 56.81 40.78 543.56 7.74 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-9708) 12/05/25 _x86_64_ (4 CPU) 15:19:46 LINUX RESTART (4 CPU) 15:20:00 CPU %user %nice %system %iowait %steal %idle 15:30:06 all 48.45 0.00 1.37 1.29 0.10 48.79 15:30:06 0 43.69 0.00 1.27 1.67 0.09 53.28 15:30:06 1 53.08 0.00 1.44 1.00 0.09 44.39 15:30:06 2 46.05 0.00 1.24 1.03 0.14 51.53 15:30:06 3 50.97 0.00 1.51 1.48 0.09 45.94 15:40:06 all 44.04 0.00 0.43 0.05 0.08 55.42 15:40:06 0 31.17 0.00 0.47 0.03 0.07 68.27 15:40:06 1 38.55 0.00 0.46 0.01 0.07 60.91 15:40:06 2 36.43 0.00 0.31 0.04 0.07 63.14 15:40:06 3 70.02 0.00 0.48 0.09 0.09 29.33 Average: all 46.25 0.00 0.90 0.67 0.09 52.09 Average: 0 37.45 0.00 0.87 0.85 0.08 60.75 Average: 1 45.82 0.00 0.95 0.51 0.08 52.64 Average: 2 41.26 0.00 0.78 0.54 0.11 57.31 Average: 3 60.46 0.00 1.00 0.79 0.09 37.66